APPWTV-34 and 25

APPWTV-25 fixed media item deselection controller.  
  
APPWTV-34
created a new MediaWrapper object that manages both audio and video HTML5 elements.
call using webinosTV.app.connectUi.
```javascript
showMediaPlayer({
  mode:'modal'|'preview',
  mediaType:'audio'|'video',
  url:'<media url>',
  posterUrl:'<still image url>' //optional
})
```  
hide using  
```javascript
hideMediaPlayer()
```  
or use wrapper for these functions such as:
```javascript
showModalVideo(url,posterUrl)
showModalAudio(url,posterUrl)
showVideoPreview(url,posterUrl)
showAudioPreview(url,posterUrl)
```
  
and their hide duals (or just hideMediaPlayer, it's the same)

added a royalty free mp3 to resources/BigBen for testing purposes

**Known Issues** album picture is displayed below the player controls (will be fixed soon)